HIGH 7.5 Microsoft
CVE-2026-34183
Unbounded Memory Growth in the QUIC PATH_CHALLENGE Handler
Microsoft Security Update 2026-Jun: Unbounded Memory Growth in the QUIC PATH_CHALLENGE Handler
Affected Products
- azl3 openssl 3.3.5-5 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34183
- https://nvd.nist.gov/vuln/detail/CVE-2026-34183
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-06-09 via Microsoft. Affected: azl3 openssl 3.3.5-5 on Azure Linux 3.0.
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